sweetener

sweetenersweet‧ener /ˈswiːtnə $ -ər/ noun1[countable, uncountable]DF a substance used to make food or drink tastesweeterNo artificial sweeteners are used in this product.2[countable] informalPERSUADE something that you give to someone to persuade them to do something, especially to accept a business dealThese tax cuts are just a pre-election sweetener.